Method of and device for controlling the pouring of a melt

Details Method of and device for controlling the pouring of a melt Method of and device for controlling the pouring of a melt

1983-07-08

1986-01-07

Godici, Nicholas P.

Dispensing

Processes of dispensing

Molten metal

164 681, 164133, 164337, 164493, 164513, 222592, 373142, B22D 3700, B22D 4500

Patent

active

045629439

ABSTRACT:
An arrangement for controlling the pouring of a melt out of a crucible with a hole in the bottom which hole is blocked while the material is being melted with a closure plate that melts through locally as the result of heat transferred from the melt. To precisely establish the time at which the closure plate melts through, the plate is cooled from below while the starting material is being melted. Cooling is at least decreased and preferably terminated when it is time to pour out the melt. The plate can be cooled by a flow of a gas coolant directed against it or by contact with a cooling element that is raised into position against it from below.

REFERENCES:
patent: 2871533 (1959-02-01), Swainson
patent: 3435878 (1969-04-01), Howard et al.
patent: 3484026 (1969-12-01), Zehnder
patent: 3484840 (1969-12-01), Spoth et al.
patent: 3598168 (1971-08-01), Clark
patent: 3682458 (1972-08-01), Piwonka et al.
patent: 3777040 (1973-12-01), Gell et al.

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